ECS CSM-8A, CSM-8 Data Sheet
19
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
SMD CRYSTALS SMD CRYSTALS
7.0 ± 0.5
5.0 ± 0.2
1.7 Max.
#1 #2
#3#4
4.5
5.0 ± 0.2
2.0
2.2 2.2
2.4
4.1
FEATURES
•
Glass sealed ceramic package
•
Tight stability / high reliability
•
Wide frequency range
•
High frequency fundamental available
•
RoHS Compliant (Note 7 Exemption)
•
Tape & Reel (1,000 pcs)
CSM-8
SERIES
SMD QUARTZ CRYSTAL
PACKAGE DIMENSIONS (mm)
Figure 1) CSM-8 – Side and Top view Figure 2) CSM-8A – Pad Configuration
Bottom view
Figure 5) CSM-8A – Recommended
Solder Pad Layout
Top view
#4
5.0 ± 0.2
2,54
1.0
1.2
5.08
1.41.4
1.14
2.0 2.04.0
Figure 3) CSM-8B – Pad Configuration
Bottom view
Figure 6) CSM-8B – Recommended
Solder Pad Layout
Top view
The CSM-8 Series is a very cost effective,
low profile SMD quartz crystal. The glass
sealed ceramic package is available in three
optional land pad configurations. It is ideal
for PCMCIA, ethernet and fax modem card
applications.
PART NUMBERING GUIDE
“EXAMPLE”
FREQUENCY (16.000MHz) LOAD CAPACITANCE* PACKAGE TYPE**
ECS – 160 – 20 – 20A
* Load capacitance (xx=xx pF, S= series resonance), ** Package Type examples (20A = CSM-8A, 20B = CSM-8B)
Note: See Product Selection Guide for additional options.
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS CONDITIONS MINIMUM TYPICAL MAXIMUM UNITS
FREQUENCY RANGE f
0
9.8 100.0 MHz
CALIBRATION TOLERANCE @ +25˚C -30 +30 PPM
FREQUENCY STABILITY, ref @ 25˚C -10 ~ +70˚C -50 +50 PPM
SHUNT CAPACITANCE C
0
5.0 pF
LOAD CAPACITANCE (CL) (Customer Specified) 10.0 20.0 standard Series pF
DRIVE LEVEL (DL) 9.8 ~ 100.0MHz 0.5 mW
OPERATING TEMPERATURE T
OPR
-10 +70 ˚C
STORAGE TEMPERATURE T
STG
-40 +85 ˚C
AGING (FIRST YEAR) @ +25˚C -5.0 +5.0 PPM
FREQUENCY RANGE (MHz) MODE MAX ESR Ω FREQUENCY RANGE (MHz) MODE MAX ESR Ω
9.800 ~ 15.999 Fundamental 60 28.000 ~ 34.999 3rd O/T 80
16.000 ~ 42.000 Fundamental 40 35.000 ~ 100.000 3rd O/T 60
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
+ 30
- 30
- 10
25 60
f/f
0
PPM
TEMP.(˚C)
Figure 4) Frequency vs Temperature Curve
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